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It used to be that brushless-dc (BLDC) motors just weren’t an option for most medical applications. But that situation is changing as the cost of BLDC drive electronics falls. Furthermore, a quest for more-efficient, compact, and reliable medical equipment has put BLDC motors on the prescription list for a variety of applications.
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One type of fastening component can boost equipment lifetime and reliability while cutting manufacturing, service, and warranty costs. Sound like a pipe dream? For designs that have threaded joints, mating flanges, or close tolerance shaft fits, anaerobic adhesives working as threadlockers, thread sealants, retaining compounds, and gaskets might do the trick.
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Technical Cable Engineered to Exceed
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 Northwire, Inc., Technical Cable—an innovative cable solutions provider—markets, designs and manufactures technical and retractile cables for advanced applications in the life science markets. Northwire offers complimentary design and prototyping services. Custom cables are guaranteed to exceed performance, design and quality specifications. Northwire’s experienced staff will help navigate complex national/international standards. Engineered to exacting requirements, cables are designed, built and shipped in 5 days or less with no minimum length requirements. Northwire offers FDA approved materials. +1 715-294-2121
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Engineers developing medical equipment may not have much control over the hazards inherent in devices they are designing. X-ray imagers and anesthesiology equipment will always pose some risks to patient safety. But if a design fails, consequences can be catastrophic. So one of every medical designers’ tasks is to reduce the risks and probabilities of failure. And almost every design decision can affect these two factors.
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According to ABET Industries Corp, a good way to decide whether your parts need to be made using electrical discharge machining (EDM) is to look at what it calls the "Three Point Rule": Can't cut it - Can't shape it - Can't reach it.
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The UTH-H series of direct drive motors from Applimotion Inc have special low-impedance windings, making the motors suitable for portable medical devices. Large through holes and a low-profile pancake construction lets the motors fit into tight spaces.
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General Extrusions Inc provides standard and custom aluminum extrusions for medical equipment. Product applications include cable trays, hospital beds, server cabinets, electrical bus connectors, and high-fin ratio heat sinks.
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Rapid injection molding tips
Protomold's monthly Design Tips are a popular and useful resource for designers and design engineers. We’ve compiled over 70 tips for designing injection molded parts in six handy, downloadable volumes. You’ll find useful tips and guidelines on everything from selecting materials to designing parts cost-effectively. Download today!
Boker's 2010 Washer Catalog
Boker's free 2010 Washer Catalog features over 24,000 non-standard flat washer sizes with ODs of 0.080" to 5.140"; numerous IDs and thicknesses; 2,000 materials; and no tooling charges. ISO 9001:2008 Registered.
www.bokers.com/mee
Get Savvy on Rapid Injection Molding
This quick-reference user guide, for engineers and designers, talks about the guidelines and limitations for rapid injection molding. Learn how to get the best possible results for your real plastic molded parts. Download Designing for Moldability, 2nd edition.
Not all motion needs are linear!
Bishop-Wisecarver's exclusive HepcoMotion® rotary motion components and systems are an innovative collection of rings, ring segments and straight slides for simple or complex medical applications.
www.bwc.com
Precision Orthopaedic Component & Assemblies Manufacturing
Devices include spine, trauma and extremity. Unmatched development support and high precision, tight tolerance manufacturing. Swiss turning, multi-axis milling, EDM, and clean room assembly. ISO 9001:2000 and 13485:2003.
www.lowellinc.com
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